Heating furnace



Jan. 31, 1933. s. M. JENKS ET AL HEATING FURNAGE Filed Jan. 22. 1931 2 sheets-sheet closedown to thework passingvthrough the -chamber and is of constant height, so as to y form what has been termed a soaking zone 3 n or chamber. e

Y 5 The low roof over the dischargehalf ofthe furnacechamber brings the gases or products of combustion into intimate Contact with the l' Vsheets orvpacks of sheets, resulting in a soakn ,ingr 'effect' land a y'uniform temperature 10 throughout "the, V sheets and economy in yfuel ,Y consumption.l The sloping roof and 'side walls reflect the heat back to thecharging extremity ofthe furnace where the cold 'sheets'V enter and also produce a: streamline Vflow of the gases or productsof combustion.V The burner fires directly into the furnace against the upper .sloping side wall and the heat is're? ectedinto the bodyof thefurnace andalso back'tothe'charging extremityof `thefchamber. .The reiiection of the heat bythesloping l walls` ofthe'rear or charginghalf of the furnace, termed theheating furnace, causes intense heating in this area,-while the heat from .v .the products of combustion passing through l. P25, the forward. ordischarge-half ofthe furnace .chamber,itermed Y,the Vsoaking 'zone, :is suliis cienttopermit soakingratherthan heating `.o f the sheets .o1-,packs Y` e rWhat-we claim as'new is :ff 1 .7. continuous heat'ng furnace for metal e sheets and packs'provided .with a chamber having-a relatively high. roof at the charging y end ofthe chamber, saidfroof sloping from 5 the charging toward .the discharge end of the 35 chamber toa point approximately midway of the lengthl of said'chamber,'theroof.over the .remainder ofsaid chamber being of relativef'ly'constant height, atleast one side of said v chamber being offset atv the chargingfend ofV said furnace randhaving'aside. wallalongg;

saidoilseteportions'loping inwardly from the v-1charging/end.of. said'furnace tola point approximatelymidway the length of said'furnace, kand a burner mounted at the charging pend-ofsaidchamber andiarrangedto deliver .products ofcombustion into the offset portion of said` chamber and against thesloping roof v `and' side wall along said offset portionl of said In testimonywhereof, we have hereuntoset Vourghands., n i l Y' v TEPHEN MVJENKS. l AVHARRYl-I.y SUTHERLAND. ,Y 

